Process Safety

3. a substance that speeds up a chemical reaction, but is not consumed by the reaction
4. a deliberate prevention of process flow to provide a safe environment for performing maintenance, repair or replacement operations on process facilities
5. the action of reducing the severity, seriousness of something.
6. when a refined metal is naturally converted to a more stable form such as its oxide, hydroxide or sulphide state that leads to deterioration of the material.
7. a sudden, urgent, usually unexpected occurrence or occasion requiring immediate action.
9. as low as reasonably practicable
10. The process by which an initial – sometimes small – events trigger a further – sometimes larger event that may be classified as a near miss or an incident
13. the action or process of intervening.
15. A common method of protecting process equipment against excessively high pressure
16. continuous physical force exerted on or against an object by something in contact with it.
17. a device or instrument designed to detect the presence of an object or substance

1. is an individual piece of equipment, a control system or an individual protection device which in the event of a single point failure may result in a hazardous situation which could lead to an accident.
2. the action of assessing something
8. a device or natural object that regulates directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways.
11. protect from harm or damage with an appropriate measure.
12. PROTECTION mitigating the unwanted effects of potentially destructive fires.
14. is an unplanned and uncontrolled release of the containments from ECDs and Hoods.